Keco R&D
Inc.
1400 B Graham Drive
Tomball, TX 77375
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VOLATILE HYDROCARBON
ANALYSIS IN
WATER
The problem of "measuring volatile hydrocarbons in water for process leak control" has been the subject of 11 years of research at Keco R. & D., Inc. Membrane technology is very effective for sample preparation. The water to be analyzed flows over a polymer membrane. Volatile hydrocarbons, Benzene, Toluene, Alcohol's, Olefins, Chlorinated Gas, etc., permeate to the opposite side of the polymer and flowing carrier gas carries the hydrocarbons to a chromatograph, mass spectrometer or other type readout analyzer. This equipment can directly replace a sparger resulting in low maintenance.
Keco has developed sample handling equipment for the above purpose. Both process (explosion proof) and laboratory type construction is manufactured by Keco.
This equipment, of standard design, is available for monitoring heat exchangers and any process where leaks may contaminate cooling water. Sensitivity to PPB is obtained by several types of analyzers designed to accept the clean gaseous sample provided. On-line, real time analysis, allows detection and elimination of problems before contamination of the cooling water supply.
Analysis and identification of the specific contaminate is practical with a chromatograph or mass spectrometer analyzer. For cost effective monitoring at each heat exchanger in a plant, a non-specific solid state sensor readout can detect 1 PPB of hydrocarbons. If a heat exchanger has a known process stream, such as propylene and this is the only contaminant in the stream a very low maintenance and inexpensive solid state sensor is adequate. Monitoring each heat exchanger, rather than combined cooling water from all heat exchangers, allows prompt detection to pinpoint a problem and take corrective action. Prevention of lost product, ability to schedule maintenance and avoiding clean up of large volumes of water can pay for cost of monitoring equipment on each heat exchanger. Continuous automatic operation with alarm is practical.
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Permeation Trans. Monitor | Volatile Hydro. Anal. |
| Membrane Sample Trans. | Membrane Probe
Trans. |
| Permeation Tube Calibrator |
Permeation Tubes |
| Microliter
Fluid Calibrator | Sensor Calibration |
|
Membrane Transfer Technology | TNRCC Letter |
Phone: 281-516-3950 Fax: 281-351-8925
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Keco R&D Inc.
Copyright © 1994-2001 Keco R & D, Inc.